Kingdoms of Amalur: Reckoning Cheats
I'm just going to assume you checked if you are using the correct version. After pressing the corresponding Numpad key, it tells you 'activated'? You pressed the key from the Esc menu? Try hitting Esc twice to reload the menu, it should give you a 'Level up' option now.
[Edited by Shade1982, 5/24/2012 3:05:50 AM]